import java.util.Scanner;

public class demo02 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int num=sc.nextInt();
        int[] arr=new int[num];
        for (int i = 0; i < num; i++) {
            int left=i;
            int right=num-1-i;
            arr[i]=Math.max(left,right)*2;
        }
        for (int i = 0; i < num; i++) {
            System.out.println(arr[i]);
        }
    }
}
